In Croatia, Vlastelić families are generally Croats (from Novi Vinodolski area ), very rarely Serbs, and barely Hungarians (from Backa, Vojvodina ). In the past century, relatively most of Croatian residents bearing this family name were born in Rijeka and Skradin.
Prevalence
About 40 people with faimily name Vlastelić live in Croatia today, in 20 households. There were 50 of them in the middle of the past century, and their number decreased by 20 percent. They are only located in in 8 Croatian cities and 5 other places, mostly in Bribir in Novi Vinodolski area (15), Rijeka (<10), Kukuljanovo (<10), Split (<5), and in Velika in Pozega area (<5).
Outside Croatia
Family name Vlastelić is present in five countries on two continents. The family name "Vlastelic " is used by small number of people in the United States , small number in Romania , and small number of people in Canada.
In the sources analysed in the project Acta Croatica so far, the name is mentioned few times, the first time 1923 in source Emigration Commission Zagreb.